Michael J. Lange - Mar 17, 2023 Form 4 Insider Report for Mistras Group, Inc. (MG)

Role: Senior EVP
Signature: Michael C. Keefe, attorney-in-fact for Michael J. Lange
Stock symbol: MG
Transactions as of: Mar 17, 2023
Transactions value $: -$25,346
Form type: 4
Date filed: 3/20/2023, 04:51 PM
Previous filing: Jan 3, 2023
Next filing: Mar 30, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MG	Common Stock	Tax liability	-$18.1K	-3.25K	-0.92%	$5.58	350K	Mar 17, 2023	Direct	F1
transaction	MG	Common Stock	Tax liability	-$7.22K	-1.28K	-0.37%	$5.62	349K	Mar 17, 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MG	Performance Share Unit	Other	$0	-10.3K	-100%	$0.00^*	0	Mar 17, 2023	Common Stock	10.3K	$0.00	Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares withheld for payment of tax liability as a result of the vesting of restricted stock units.
F2	Transaction represents the expiration and forfeiture of performance units which were not earned because of the failure to meet the performance conditions.
F3	These performance share units vest to the extent earned in 2023 based upon performance metrics for 2022. The reporting person may earn between 0 and 200% of the units reported based on performance. Once earned, these performance share units will be paid in restricted stock units which will vest over 4 years.